Implement a four-band subband coder. Use a speech signal you recorde.pdf

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Implement a four-band subband coder. Use a speech signal you recorded as the input. Plot four individual sub-band outputs. we need to write matlab code. Solution there is a one sub band ouput corresponds to single input so 16 states are possibe.

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In 2012, the Commonwealth of Virginia contemplated outsourcing the management of its port to private operators. Most large ports in the U.S. (L.A.,Seattle, NY/NJ) have one or more private firms managing and operating them. Ultimately, Virginia decided not to privatize its port management. (a)Why might a private operator generate better results than a public sector operator? (b)A private operator has to pay for the right to operate a port. If you are in charge of a port, perhaps L.A., how would you determine the right amount of money to charge the private operator? (c)How could you structure the contract so that the private operator has an incentive to do well and L.A. will also do well at the same time? Solution (a) Operations and Managemnet of ports are businesses in their own right and should be managed to achieve optimal utilization of capital. Investments in port assets are affected by risk, competition for land and capital, or other factors in the competitive business environment. Subsidies and government-provided incentives distort the allocation of resources for port development and may result in over- or underinvestment. Therefore, private operators may generate better results than a public sector operator. (b) For determing the right amoount of money to be charged to private operators, an authority of port has to consider numerouos factors that may affect the interport competition. Such as geographical location including Proximity to one or more major maritime routes, natural deep water, good protection against waves and currents, large waterfront and landside expansion possibilities, proximity to major production or consumption areas, good hinterland connections (road, rail, pipeline, and waterway) with high frequency service offering good connectivity. Types of cargos handled at the port, Institutional structure and socioeconomic climate are other factors that measures the benefits for the operators. Besides costs will also be determined and then a match between them is found to get the right amount of charge. (c) The contract would include some government interventions to improve the public goods, that are inherently nondivisible and nonconsumable, such as public safety, security, and a healthy environment. Investments would be made by the public in port assets that have strong direct and indirect multiplier effects on the entire national economy and, further, that the commitment of public resources would be made available to encourage coinvestment by the commercial and industrial sectors..

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In 2012 Annie invests $55,000 in an activity for which she is not a material participant. Annie has no other sources of income. Annie\'s losses from the activity are as follows: Income/(Loss) 2012 ($45,000) 2013 ($20,000) 2014 $30,000 Calculate Annie’s deductible loss, basis, and any losses suspended under the at-risk and/or passive activity loss rules each year. Solution As Tonu is not a material participant, the basis will be Year 1 55000 Year 2 10000(55000-45000) Year 3 -10000(10000-20000) The risk will be 2012 55000 2013 10000 2014 (10000).

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In 1974, there were 17 countries that had at least One nuclear reactor installed and operating. The mean and standard deviation of the numbers of nuclear power reactors for 17 countries are 7.5 and 11.1 respectively. A. The USA had 42 operating nuclear power reactors. Do you think any country had more? Why? B. Do you think the data are symmetric or skewed? Solution Z =(42-7.5)/(11.1/17) = 12.815 P(Z > 12.815) =0 So, no country had more. symmetrical.

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In 1948 Claude Shannon quantified information as: Solution Description: Basically in a message we get information. But getting such information is probability oriented. It means we expect to get such and such information. There is no surprising act. But if there is any surprise of getting unexpected information, then this is not probability oriented. It means, there was no probability in the mind of recipient of getting such information. Therefore, Surprise and probability are inversely related. More surprise indicates less probability. Beyond information: This description is beyond the defination of information. This is the mathematical exposure of information and probability. Quantify: Information is quantified by recipient\'s surprise. More surprise means more information..

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In 2000, in Country A, the average family net worth was $410,000, and there was about 6.1 x 10^7 families. Calculate the total family net worth Country A in 2000. Country A\'s total family net worth is what in dollars? Solution To get the total net worth, simply multiply the average net worth by the number of families. Using scientific notation, 410,000 = 4.1*10^5 (4.1*10^5)*(6.1*10^7) = 4.1*6.1 * 10^12 = 25.01 * 10^12 = 2.5 * 10^13 (Rounded to the nearest tenth).

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